diff --git a/Iceshrimp.Frontend/Components/Compose.razor b/Iceshrimp.Frontend/Components/Compose.razor
index 91c6989c..7ba730d9 100644
--- a/Iceshrimp.Frontend/Components/Compose.razor
+++ b/Iceshrimp.Frontend/Components/Compose.razor
@@ -20,7 +20,7 @@
 <dialog @onkeydown="HandleKeyDown" class="dialog" @ref="Dialog">
     <div class="compose">
         <div class="header">
-            <button class="btn" title="@Loc["Close"]" @onclick="CloseDialog" aria-label="close">
+            <button class="btn" title="@Loc["Close"]" @onclick="CloseDialog" aria-label="close" disabled="@(SendLock || UploadingFiles != 0)">
                 <Icon Name="Icons.X"/>
             </button>
             <Dropdown TBind="NoteVisibility" Elements="@DropDownCreate()" @bind-Value="NoteDraft.Visibility"/>
diff --git a/Iceshrimp.Frontend/Components/Compose.razor.css b/Iceshrimp.Frontend/Components/Compose.razor.css
index 1794756b..c3004433 100644
--- a/Iceshrimp.Frontend/Components/Compose.razor.css
+++ b/Iceshrimp.Frontend/Components/Compose.razor.css
@@ -115,6 +115,7 @@
 }
 
 ::deep {
+    .btn[disabled],
     .post-btn[disabled] {
         opacity: 0.4;
         cursor: not-allowed;